Did Clinton, Trump shake hands at the beginning of the debate?

Cooper Allen , USA TODAY , KXTV9:15 PM. EDT October 19, 2016

Oct 19, 2016; Las Vegas, NV, USA; People pose for photographs on the stage before the start of the third and final presidential debate at University of Nevada Las Vegas. (Photo: Robert Hanashiro, USA TODAY, USA TODAY NETWORK)

At the Sept. 26 opening debate in Hempstead, N.Y., Hillary Clinton and Donald Trump did shake hands prior to the debate. However, nearly two weeks later in St. Louis, as tensions between the two camps reached a boiling point, the two nominees did not, though they did when the debate was over.